Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. organic material
7. [cellulose and cellulose by product]
8. [cellulose by product]

Anotations

Scope note:

Glossy transparent material made from regenerated cellulose, typically in the form of thin sheets, usually moisture-proofed and sometimes dyed; impervious to dry gases, grease, and bacteria, and used as packaging or wrapping for food and other merchandise, envelope windows, and bags for dialysis.